~drizzle-trunk/drizzle/development

561.1.3 by Monty Taylor
Split some more things out of common_includes.h.
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_GLOBAL_QUERY_ID_H
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#define DRIZZLED_GLOBAL_QUERY_ID_H
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#include <pthread.h>
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class Query_id
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{
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public:
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  static Query_id& get_query_id() {
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    static Query_id the_id;
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    return the_id;
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  }
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  ~Query_id();
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  /* return current query_id value */
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  query_id_t value() const;
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  /* increment query_id and return it.  */
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  query_id_t next();
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private:
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  pthread_mutex_t LOCK_query_id;
520.4.21 by Monty Taylor
Made the_query_id private. Thanks Jay.
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  query_id_t the_query_id;
561.1.3 by Monty Taylor
Split some more things out of common_includes.h.
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  Query_id();
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  Query_id(Query_id const&);
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  Query_id& operator=(Query_id const&);
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};
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#endif